Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.FileOutputStream;
   4 import java.io.PrintStream;
   5 import java.io.Reader;
   6 import java.io.BufferedReader;
   7 import java.io.FileReader;
   8 import java.io.FileInputStream;
   9 import java.util.Hashtable;
  10 import java.util.Iterator;
  11 import java.util.Set;
  12 import java.util.Vector;
  13
  14 import IR.Tree.ParseNode;
  15 import IR.Tree.BuildIR;
  16 import IR.Tree.SemanticCheck;
  17 import IR.Flat.BuildCodeMultiCore;
  18 import IR.Flat.BuildFlat;
  19 import IR.Flat.BuildCode;
  20 import IR.ClassDescriptor;
  21 import IR.State;
  22 import IR.TaskDescriptor;
  23 import IR.TypeUtil;
  24 import Analysis.Scheduling.MCImplSynthesis;
  25 import Analysis.Scheduling.Schedule;
  26 import Analysis.Scheduling.ScheduleAnalysis;
  27 import Analysis.Scheduling.ScheduleSimulator;
  28 import Analysis.TaskStateAnalysis.TaskAnalysis;
  29 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  30 import Analysis.TaskStateAnalysis.TaskGraph;
  31 import Analysis.CallGraph.CallGraph;
  32 import Analysis.TaskStateAnalysis.FEdge;
  33 import Analysis.TaskStateAnalysis.FlagState;
  34 import Analysis.TaskStateAnalysis.TagAnalysis;
  35 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  36 import Analysis.TaskStateAnalysis.ExecutionGraph;
  37 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  38 import Analysis.Locality.LocalityAnalysis;
  39 import Analysis.Locality.GenerateConversions;
  40 import Analysis.Prefetch.PrefetchAnalysis;
  41 import Analysis.FlatIRGraph.FlatIRGraph;
  42 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  43 import Analysis.MLP.MLPAnalysis;
  44 import Analysis.Loops.*;
  45 import IR.MethodDescriptor;
  46 import IR.Flat.FlatMethod;
  47 import Interface.*;
  48 import Util.GraphNode;
  49 import Util.GraphNode.DFS;
  50 import Util.GraphNode.SCC;
  51
  52 public class Main {
  53
  54   /** Main method for the compiler.  */
  55
  56   public static void main(String args[]) throws Exception {
  57     String ClassLibraryPrefix="./ClassLibrary/";
  58     State state=new State();
  59     Vector sourcefiles=new Vector();
  60     state.classpath.add(".");
  61
  62     String outputdir = null;
  63     boolean isDistributeInfo = false;
  64
  65     for(int i=0; i<args.length; i++) {
  66       String option=args[i];
  67       if (option.equals("-precise"))
  68         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  69       else if (option.equals("-prefetch"))
  70         state.PREFETCH=true;
  71       else if (option.equals("-dir"))
  72         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  73       else if (option.equals("-fastcheck"))
  74         state.FASTCHECK=true;
  75       else if (option.equals("-selfloop"))
  76         state.selfloops.add(args[++i]);
  77           else if (option.equals("-outputdir"))
  78         state.outputdir = args[++i];
  79       else if (option.equals("-excprefetch"))
  80         state.excprefetch.add(args[++i]);
  81       else if (option.equals("-classlibrary"))
  82         state.classpath.add(args[++i]);
  83       else if(option.equals("-numcore")) {
  84         ++i;
  85         state.CORENUM = Integer.parseInt(args[i]);
  86       } else if (option.equals("-mainclass"))
  87         state.main=args[++i];
  88       else if (option.equals("-trueprob")) {
  89         state.TRUEPROB=Double.parseDouble(args[++i]);
  90       } else if (option.equals("-printflat"))
  91         State.PRINTFLAT=true;
  92       else if (option.equals("-printscheduling"))
  93         State.PRINTSCHEDULING=true;
  94       else if (option.equals("-printschedulesim"))
  95         State.PRINTSCHEDULESIM=true;
  96       else if (option.equals("-printcriticalpath"))
  97           State.PRINTCRITICALPATH=true;
  98       else if (option.equals("-struct"))
  99         state.structfile=args[++i];
 100       else if (option.equals("-conscheck"))
 101         state.CONSCHECK=true;
 102       else if (option.equals("-task"))
 103         state.TASK=true;
 104       else if (option.equals("-abortreaders"))
 105         state.ABORTREADERS=true;
 106       else if (option.equals("-taskstate"))
 107         state.TASKSTATE=true;
 108       else if (option.equals("-tagstate"))
 109         state.TAGSTATE=true;
 110       else if (option.equals("-flatirtasks")) {
 111         state.FLATIRGRAPH=true;
 112         state.FLATIRGRAPHTASKS=true;
 113       } else if (option.equals("-flatirusermethods")) {
 114         state.FLATIRGRAPH=true;
 115         state.FLATIRGRAPHUSERMETHODS=true;
 116       } else if (option.equals("-flatirlibmethods")) {
 117         state.FLATIRGRAPH=true;
 118         state.FLATIRGRAPHLIBMETHODS=true;
 119       } else if (option.equals("-multicore"))
 120         state.MULTICORE=true;
 121       else if (option.equals("-ownership"))
 122         state.OWNERSHIP=true;
 123       else if (option.equals("-ownallocdepth")) {
 124         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 125       } else if (option.equals("-ownwritedots")) {
 126         state.OWNERSHIPWRITEDOTS=true;
 127         if (args[++i].equals("all")) {
 128           state.OWNERSHIPWRITEALL=true;
 129         }
 130       } else if (option.equals("-ownaliasfile"))
 131         state.OWNERSHIPALIASFILE=args[++i];
 132       else if (option.equals("-optional"))
 133         state.OPTIONAL=true;
 134       else if (option.equals("-optimize"))
 135         state.OPTIMIZE=true;
 136       else if (option.equals("-dcopts"))
 137         state.DCOPTS=true;
 138       else if (option.equals("-scheduling"))
 139         state.SCHEDULING=true;
 140       else if (option.equals("-distributioninfo"))
 141         isDistributeInfo=true;
 142       else if (option.equals("-useprofile"))
 143         state.USEPROFILE=true;
 144       else if (option.equals("-thread"))
 145         state.THREAD=true;
 146       else if (option.equals("-dsm"))
 147         state.DSM=true;
 148       else if (option.equals("-singleTM"))
 149         state.SINGLETM=true;
 150       else if (option.equals("-webinterface"))
 151         state.WEBINTERFACE=true;
 152       else if (option.equals("-instructionfailures"))
 153         state.INSTRUCTIONFAILURE=true;
 154       else if (option.equals("-abcclose"))
 155         state.ARRAYBOUNDARYCHECK=false;
 156       else if (option.equals("-mlp")) {
 157         state.MLP=true;
 158         state.OWNERSHIP=true;
 159       } else if (option.equals("-mlpdebug")) {
 160         state.MLP=true;
 161         state.MLPDEBUG=true;
 162         state.OWNERSHIP=true;
 163       } else if (option.equals("-help")) {
 164         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 165         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 166         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 167         System.out.println("-struct structfile -- output structure declarations for repair tool");
 168         System.out.println("-mainclass -- main function to call");
 169         System.out.println("-dsm -- distributed shared memory support");
 170         System.out.println("-singleTM -- single machine committing transactions");
 171         System.out.println("-abortreaders -- abort readers");
 172         System.out.println("-precise -- use precise garbage collection");
 173         System.out.println("-conscheck -- turn on consistency checking");
 174         System.out.println("-task -- compiler for tasks");
 175         System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
 176         System.out.println("-thread -- threads");
 177         System.out.println("-trueprob <d> -- probability of true branch");
 178         System.out.println("-printflat -- print out flat representation");
 179         System.out.println("-instructionfailures -- insert code for instruction level failures");
 180         System.out.println("-taskstate -- do task state analysis");
 181         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 182         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 183         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 184         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 185         System.out.println("-ownership -- do ownership analysis");
 186         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 187         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 188         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 189         System.out.println("-optimize -- enable optimizations");
 190         System.out.println("-optional -- enable optional arguments");
 191         System.out.println("-abcclose close the array boundary check");
 192         System.out.println("-scheduling do task scheduling");
 193         System.out.println("-mlp build mlp code");
 194         System.out.println("-mlp build mlp code, report progress and interim results");
 195         System.out.println("-multicore generate multi-core version binary");
 196         System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
 197         System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
 198         System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
 199         System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
 200         System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
 201         System.out.println("-threadsimulate generate multi-thread simulate version binary");
 202         System.out.println("-rawuseio use standard io to output profiling data (should be used together with -raw and -profile), it only works with single core version");
 203         System.out.println("-printscheduling -- print out scheduling graphs");
 204         System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
 205         System.out.println("-webinterface -- enable web interface");
 206         System.out.println("-help -- print out help");
 207         System.exit(0);
 208       } else {
 209         sourcefiles.add(args[i]);
 210       }
 211     }
 212
 213     //add default classpath
 214     if (state.classpath.size()==1)
 215       state.classpath.add(ClassLibraryPrefix);
 216
 217     BuildIR bir=new BuildIR(state);
 218     TypeUtil tu=new TypeUtil(state, bir);
 219
 220
 221     SemanticCheck sc=new SemanticCheck(state,tu);
 222
 223     for(int i=0;i<sourcefiles.size();i++)
 224       loadClass(state, bir,(String)sourcefiles.get(i));
 225
 226     //Stuff the runtime wants to see
 227     sc.getClass("String");
 228     sc.getClass("Math");
 229     sc.getClass("File");
 230     sc.getClass("Socket");
 231     sc.getClass("ServerSocket");
 232     sc.getClass("FileInputStream");
 233     sc.getClass("FileOutputStream");
 234     if (state.TASK) {
 235       sc.getClass("TagDescriptor");
 236     }
 237     if (state.THREAD||state.DSM||state.SINGLETM) {
 238       sc.getClass("Thread");
 239     }
 240
 241     sc.semanticCheck();
 242
 243     tu.createFullTable();
 244
 245     BuildFlat bf=new BuildFlat(state,tu);
 246     bf.buildFlat();
 247     SafetyAnalysis sa=null;
 248     PrefetchAnalysis pa=null;
 249
 250     if (state.OPTIMIZE) {
 251       CallGraph callgraph=new CallGraph(state);
 252       CopyPropagation cp=new CopyPropagation();
 253       DeadCode dc=new DeadCode();
 254       GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
 255       CSE cse=new CSE(gft, tu);
 256       localCSE lcse=new localCSE(gft, tu);
 257       LoopOptimize lo=new LoopOptimize(gft, tu);
 258       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 259       while(classit.hasNext()) {
 260         ClassDescriptor cn=(ClassDescriptor)classit.next();
 261         Iterator methodit=cn.getMethods();
 262         while(methodit.hasNext()) {
 263           /* Classify parameters */
 264           MethodDescriptor md=(MethodDescriptor)methodit.next();
 265           FlatMethod fm=state.getMethodFlat(md);
 266           cp.optimize(fm);
 267           dc.optimize(fm);
 268           lo.optimize(fm);
 269           lcse.doAnalysis(fm);
 270           cse.doAnalysis(fm);
 271           cp.optimize(fm);
 272           dc.optimize(fm);
 273         }
 274       }
 275     }
 276
 277     if (state.FLATIRGRAPH) {
 278       FlatIRGraph firg = new FlatIRGraph(state,
 279                                          state.FLATIRGRAPHTASKS,
 280                                          state.FLATIRGRAPHUSERMETHODS,
 281                                          state.FLATIRGRAPHLIBMETHODS);
 282     }
 283
 284     if (state.OWNERSHIP && !state.MLP) {
 285       CallGraph callGraph = new CallGraph(state);
 286       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 287                                                    tu,
 288                                                    callGraph,
 289                                                    state.OWNERSHIPALLOCDEPTH,
 290                                                    state.OWNERSHIPWRITEDOTS,
 291                                                    state.OWNERSHIPWRITEALL,
 292                                                    state.OWNERSHIPALIASFILE);
 293     }
 294
 295     if (state.MLP) {
 296       CallGraph callGraph = new CallGraph(state);
 297       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 298                                                    tu,
 299                                                    callGraph,
 300                                                    state.OWNERSHIPALLOCDEPTH,
 301                                                    state.OWNERSHIPWRITEDOTS,
 302                                                    state.OWNERSHIPWRITEALL,
 303                                                    state.OWNERSHIPALIASFILE);
 304       MLPAnalysis mlpa = new MLPAnalysis(state,
 305                                          tu,
 306                                          callGraph,
 307                                          oa);
 308     }
 309
 310     if (state.TAGSTATE) {
 311       CallGraph callgraph=new CallGraph(state);
 312       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 313       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
 314     }
 315
 316     if (state.TASKSTATE) {
 317       CallGraph callgraph=new CallGraph(state);
 318       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 319       TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
 320       ta.taskAnalysis();
 321       TaskGraph tg=new TaskGraph(state, ta);
 322       tg.createDOTfiles();
 323
 324       if (state.OPTIONAL) {
 325         ExecutionGraph et=new ExecutionGraph(state, ta);
 326         et.createExecutionGraph();
 327         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 328         sa.doAnalysis();
 329         state.storeAnalysisResult(sa.getResult());
 330         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 331       }
 332
 333       if (state.WEBINTERFACE) {
 334         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 335         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 336         JhttpServer serve=new JhttpServer(8000,wi);
 337         serve.run();
 338       }
 339
 340       if (state.SCHEDULING) {
 341         // Use ownership analysis to get alias information
 342         CallGraph callGraph = new CallGraph(state);
 343         OwnershipAnalysis oa = new OwnershipAnalysis(state,
 344                                                      tu,
 345                                                      callGraph,
 346                                                      state.OWNERSHIPALLOCDEPTH,
 347                                                      state.OWNERSHIPWRITEDOTS,
 348                                                      state.OWNERSHIPWRITEALL,
 349                                                      state.OWNERSHIPALIASFILE);
 350
 351         // synthesis a layout according to target multicore processor
 352         MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
 353                                                               ta,
 354                                                               oa);
 355         if(isDistributeInfo) {
 356             mcImplSynthesis.distribution();
 357         } else {
 358             //double timeStartAnalysis = (double) System.nanoTime();
 359             mcImplSynthesis.setScheduleThreshold(20);
 360             mcImplSynthesis.setProbThreshold(0);
 361             mcImplSynthesis.setGenerateThreshold(30);
 362             Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
 363
 364             //double timeEndAnalysis = (double) System.nanoTime();
 365             //double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
 366             //System.err.println("The analysis took" + dt +  "sec.");
 367
 368             // generate multicore codes
 369             if(state.MULTICORE) {
 370                 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
 371                                                               bf.getMap(),
 372                                                               tu,
 373                                                               sa,
 374                                                               scheduling,
 375                                                               mcImplSynthesis.getCoreNum(),
 376                                                               pa);
 377                 bcm.setOwnershipAnalysis(oa);
 378                 bcm.buildCode();
 379             }
 380             scheduling.clear();
 381             scheduling = null;
 382         }
 383       }
 384     }
 385     if(!state.MULTICORE) {
 386       if (state.DSM||state.SINGLETM) {
 387         CallGraph callgraph=new CallGraph(state);
 388         if (state.PREFETCH) {
 389           //speed up prefetch generation using locality analysis results
 390           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 391           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 392         }
 393         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 394         GenerateConversions gc=new GenerateConversions(la, state);
 395         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
 396         bc.buildCode();
 397       } else {
 398         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
 399         bc.buildCode();
 400       }
 401     }
 402
 403     System.out.println("Lines="+state.lines);
 404     System.exit(0);
 405   }
 406
 407   public static void loadClass(State state, BuildIR bir, String sourcefile) {
 408     ParseNode pn=readSourceFile(state, sourcefile);
 409     bir.buildtree(pn, null);
 410   }
 411
 412   /** Reads in a source file and adds the parse tree to the state object. */
 413
 414   public static ParseNode readSourceFile(State state, String sourcefile) {
 415     try {
 416       Reader fr= new BufferedReader(new FileReader(sourcefile));
 417       Lex.Lexer l = new Lex.Lexer(fr);
 418       java_cup.runtime.lr_parser g;
 419       g = new Parse.Parser(l);
 420       ParseNode p=null;
 421       try {
 422         p=(ParseNode) g./*debug_*/parse().value;
 423       } catch (Exception e) {
 424         System.err.println("Error parsing file:"+sourcefile);
 425         e.printStackTrace();
 426         System.exit(-1);
 427       }
 428       state.addParseNode(p);
 429       if (l.numErrors()!=0) {
 430         System.out.println("Error parsing "+sourcefile);
 431         System.exit(l.numErrors());
 432       }
 433       state.lines+=l.line_num;
 434       return p;
 435
 436     } catch (Exception e) {
 437       throw new Error(e);
 438     }
 439   }
 440 }